DOI:
矿床地质:2022,Vol.>>Issue(1):202-206

白云鄂博矿区深边部铁矿床勘查突破及启示
中国地质科学院矿产资源研究所, 自然资源部成矿作用与资源评价重点实验室, 北京 100037;包钢(集团)
公司白云鄂博铁矿, 内蒙古 包头 014080;中国地质科学院, 北京 100037;包钢勘察测绘研究院, 内蒙古 包头 014080
Important progress in prospecting and exploration of iron ore in deep border area of Bayan Obo deposit, Inner Mongolia, China
LI Yi-ke,KE Chang-hui,WANG Deng-hong,ZHAO Yong-gang,SHE Hong-quan,LI Rui-ping,HAO Mei-zhen,WANG An-jian,DENG Zhen,GAO Yu-pu,ZHANG Qiang,ZHANG Li,LI Jin-wen,HU Gu-yue,LIU Yun,GUO Bin,YUAN Xing-yu
(MNR Key Laboratory of Metallogeny and Mineral Assessment, Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037, China;Bayan Obo Iron Mine, Baotou Iron and Steel Company, Baotou 014080, Inner Mongolia, China;Institute of Surveying and Mapping of Baotou Steel Group CoLtd, Baotou 014080, Inner Mongolia, China)
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         网络发布日期:2022-03-17
中文摘要:围绕白云鄂博矿山寻找铁矿接替资源的急迫需求,聚焦构造对深部矿体控制作用,开展复杂地形及强干扰地区重力-磁法-电法-高精度反射地震综合勘查示范研究。通过一系列专题地质填图和综合研究,笔者构建了白云鄂博矿床成矿模式和新的勘查模型,提出矿区近东西向逆-平移断层(F2)导致了主矿、东矿深部矿体向东平移的新认识,明确指出深部存在受构造控制的铁矿体,并圈定了找矿靶区3处。通过钻探验证实现了铁矿找矿突破,目前在2号靶区已施工的15个钻孔全部见矿,钻孔控制最大铁矿层累计视厚度达327.2 m。靶区深部厚大铁矿体的发现,是科研指导勘查,降低勘查风险,提高找矿效率的典型实践,大幅度提升了白云鄂博资源保障能力,有效促进了科研成果的及时转化。
Abstract:In order to meet the needs of reserved iron resources, an integrated of gravity-magnetic-electric-reflection seismic comprehensive exploration has been carried out in the complex and strongly interfered mining district of Bayan Obo. Based on building the 3 D metallogenic and exploration model, we proposed that the deep iron ore-body was controlled by the nearly EW-trending strike-slip fault(F2) and clearly pointed out three exploration targets that the blind iron ore-bodies in Bayan Obo deposit may hidden in the eastern domain of main ore-body. Via drilling verification, fifteen drill holes in the No. 2 exploration target were completely show intersected iron ores, with the maximum cumulative value of apparent thickness iron ore reached to 327.2 m. The discovery of thick ore-bodies in the prospecting target of Bayan Obo deposit was a typical case that the scientific research can guide ore prospecting work, and reducing exploration risk. Our work not only dramatically lifted the resource guarantee in Bayan Obo mining district, but also accomplished the desired goals of economic geology that exploration guided by innovation.
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基金项目:国家自然科学基金(编号:42072114),科技成果转化项目(编号:HE1922、HE1918)和中央级公益性科研院所基本科研业务费专项资金项目(编号:KK1916)联合资助
引用文本:
李以科,柯昌辉,王登红,赵永岗,佘宏全,李瑞萍,郝美珍,王安建,邓震,高玉璞,张强,张丽,李进文,胡古月,刘云,郭宾,苑星宇.2022.白云鄂博矿区深边部铁矿床勘查突破及启示[J].矿床地质,41(1):202~206
LI Yi-ke,KE Chang-hui,WANG Deng-hong,ZHAO Yong-gang,SHE Hong-quan,LI Rui-ping,HAO Mei-zhen,WANG An-jian,DENG Zhen,GAO Yu-pu,ZHANG Qiang,ZHANG Li,LI Jin-wen,HU Gu-yue,LIU Yun,GUO Bin,YUAN Xing-yu.2022.Important progress in prospecting and exploration of iron ore in deep border area of Bayan Obo deposit, Inner Mongolia, China[J].Mineral Deposits41(1):202~206
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